QuEChERS: A new sample preparation approach for the determination of ibuprofen and its metabolites in soils

Fast and Easy Multiresidue Method Employing Acetonitrile Extraction/Partitioning and “Dispersive Solid-Phase Extraction” for the Determination of Pesticide Residues in Produce

Michelangelo Anastassiades, Steven J. Lehotay, Darinka Štajnbaher et al. · Journal of AOAC International · 2003 · 5.5K citations

Pharmacy, Food Science, Chromatographic Analysis +16

Determination of Pesticide Residues in Foods by Acetonitrile Extraction and Partitioning with Magnesium Sulfate: Collaborative Study

Steven J. Lehotay, Mary O’Neil, Josée Tully et al. · Journal of AOAC International · 2007 · 946 citations · Full text

Agriculture, Food Science, Food Analysis +13

Occurrence and fate of pharmaceutically active compounds in the environment, a case study: Höje River in Sweden

David Bendz, Nicklas Paxéus, Timothy R. Ginn et al. · Journal of Hazardous Materials · 2005 · 782 citations

Natural Sciences, Environmental Sciences, Toxicology +14

Dependence of ion intensity in electrospray mass spectrometry on the concentration of the analytes in the electrosprayed solution

Liang Tang, P. Kebarle · Analytical Chemistry · 1993 · 499 citations

Natural Sciences, Chemistry, Analytical Chemistry +6

Determination of selected pharmaceuticals and caffeine in sewage and seawater from Tromsø/Norway with emphasis on ibuprofen and its metabolites

Stefan Weigel, Urs Berger, Einar Jensen et al. · Chemosphere · 2004 · 465 citations

Pharmacy, Pharmaceutical Analysis, Toxicology +10